package com.cf.r1034;

import java.io.*;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;

public class e {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StreamTokenizer in = new StreamTokenizer(br);
        PrintWriter out = new PrintWriter(System.out);
        in.nextToken(); int t = (int) in.nval;
        while (t-- > 0) {
            in.nextToken(); int n = (int) in.nval;
            Map<Integer, Integer> treeMap = new TreeMap<>();
            for (int i = 0; i < n; i++) {
                in.nextToken(); int x = (int) in.nval;
                if (treeMap.containsKey(x)) {
                    treeMap.put(x, treeMap.get(x) + 1);
                } else {
                    treeMap.put(x, 1);
                }
            }


        }
        out.flush();
        out.close();
        br.close();
    }
}